KR20170049218A - Dynamo for bicycle - Google Patents

Dynamo for bicycle Download PDF

Info

Publication number
KR20170049218A
KR20170049218A KR1020150150317A KR20150150317A KR20170049218A KR 20170049218 A KR20170049218 A KR 20170049218A KR 1020150150317 A KR1020150150317 A KR 1020150150317A KR 20150150317 A KR20150150317 A KR 20150150317A KR 20170049218 A KR20170049218 A KR 20170049218A
Authority
KR
South Korea
Prior art keywords
magnet
generator
housing
bicycle
circumferential surface
Prior art date
Application number
KR1020150150317A
Other languages
Korean (ko)
Inventor
김정민
정용배
Original Assignee
(주)쉬운기술
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)쉬운기술 filed Critical (주)쉬운기술
Priority to KR1020150150317A priority Critical patent/KR20170049218A/en
Publication of KR20170049218A publication Critical patent/KR20170049218A/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J6/00—Arrangement of optical signalling or lighting devices on cycles; Mounting or supporting thereof; Circuits therefor
    • B62J6/06—Arrangement of lighting dynamos or drives therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J99/00—Subject matter not provided for in other groups of this subclass
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1846—Rotary generators structurally associated with wheels or associated parts
    • B62J2099/004—
    • B62J2300/004—

Abstract

A power generator for a bicycle is disclosed. According to one embodiment of the present invention, the power generator for a bicycle comprises: a cylindrical housing; a central shaft penetrating a center of the housing; a cylindrical first coil unit inserted into the central shaft; a first magnet attached to the inner circumferential surface of the housing and spaced from the outer circumferential surface of the first coil unit at a preset interval; a cylindrical second magnet inserted into the central shaft and provided to one side of the first coil unit; and a second coil unit attached to the inner circumferential surface of the housing and spaced from the outer circumferential surface of the second magnet at a preset interval.

Description

Generators for bicycles {DYNAMO FOR BICYCLE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a generator for a bicycle, and more particularly to a generator for a bicycle having both a rotary-type generator module and a rotary-type generator module in a bicycle generator.

A dynamo is a device that continuously generates current, especially for bicycles and lighting equipment. That is, a generator for a bicycle generates electricity using a coil and an electromagnet, extracts the generated electricity to the outside, and utilizes the same for a lighting device. A generator for a bicycle including a rotor and a stator (Korean Utility Model 20-2014- 0006097, etc.). However, the prior art only provides a rotary-type generator using a rotating magnet and a stationary coil, so that it is difficult to produce various electric power in one generator.

Therefore, there is a need for research on a bicycle generator capable of producing electricity in various ways in a single generator having a set standard.

The present invention provides a generator for a bicycle that generates various types of electricity through a single dynamo by providing both a rotary type electric power generation module and a rotary electric type electric power generation module in a bicycle dynamo of a predetermined standard.

The present invention provides a generator for a bicycle capable of reducing rolling resistance by changing an arrangement angle of an N pole magnet and an S pole magnet in a rotary type generator module.

A generator for a bicycle according to an embodiment of the present invention includes: a cylindrical housing; A central axis passing through the center of the housing; A cylindrical first coil portion inserted into the central axis; A first magnet attached to an inner circumferential surface of the housing and spaced from a circumferential surface of the first coil section by a predetermined distance; A cylindrical second magnet inserted into the central axis and provided at one side of the first coil part; And a second coil part attached to an inner circumferential surface of the housing, the second coil part spaced from the outer circumferential surface of the second magnet by a predetermined distance.

According to an aspect of the present invention, a bicycle generator includes: a first output connector for outputting electricity generated by the first coil portion and the first magnet; And a second output connector for outputting electricity generated by the second coil portion and the second magnet.

According to an aspect of the present invention, the first output connector is provided in a cylindrical shape having a hole therein, is inserted into one side of the central shaft, and the second output connector is provided at one side of the outer circumferential surface of the housing .

According to an aspect of the present invention, the first magnet is provided in a cylindrical shape having upper and lower openings, and N pole magnets and S pole magnets are alternately arranged on a side surface of the cylinder, and the N pole magnets and the S pole The boundary line between the magnet and the center axis may be formed so that the angle formed by the center axis forms a predetermined angle.

According to an embodiment of the present invention, a generator for a bicycle that produces various types of electricity through a single dynamo is provided by providing both a rotary type electric power generation module and a rotary electric type electric power generation module in a bicycle dynamo of a predetermined standard.

According to an embodiment of the present invention, a generator for a bicycle capable of reducing rolling resistance is provided by changing an arrangement angle of an N pole magnet and an S pole magnet in a rotary-type generator module.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a diagram showing an internal configuration of a bicycle generator according to an embodiment of the present invention; FIG.
2 is a diagram showing an external configuration of a bicycle generator according to an embodiment of the present invention.
3 is a cross-sectional view of a rotary-type generator module of a bicycle generator according to an embodiment of the present invention.
4 is a cross-sectional view of a rotating electrical generator module of a bicycle generator according to an embodiment of the present invention.
FIG. 5 is a side view of a magnet ring of a rotary-type power generation module according to an embodiment of the present invention.
6 is a perspective view for explaining the magnet array angle of the rotary-type generator module according to the embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to or limited by the embodiments. Like reference symbols in the drawings denote like elements.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a diagram showing an internal configuration of a bicycle generator according to an embodiment of the present invention; FIG.

1, the bicycle generator 100 includes a housing 110, a central shaft 120, a first coil part 130, a first magnet 131, a second magnet 140, (141).

The housing 110 is provided in a cylindrical shape and serves to protect the internal components of the generator 100. In addition, the upper and lower openings of the housing 110 can be assembled in such a manner that the components are mounted inside and then the upper lid and the lower lid are combined.

The center shaft 120 passes through the center of the housing 110 and the first coil part 130 and the second magnet 140 are coupled to the center shaft 120, which will be described later.

That is, the first coil part 130 is formed in a cylindrical shape having a hole at the center so as to be inserted into the center shaft 120, and a plurality of coils are wound. At this time, the first coil part 130 is inserted into the center shaft 120 and then fixed and rotated together with the rotation of the center shaft 120.

The first magnet 131 is attached to the inner circumferential surface of the housing 110 and is coupled to the outer circumferential surface of the first coil part 130 at a predetermined distance. For example, the first magnet 131 is provided in a cylindrical shape, and the upper and lower surfaces of the cylinder are opened, and an N pole magnet and an S pole magnet are sequentially arranged on the side of the cylinder.

That is, the first coil part 130 and the first magnet 131 constitute a rotary-type power generation module which is located at the center of the coil and in which the magnet rotates.

The second magnet 140 may be inserted into the center shaft 120 and may have a cylindrical shape provided at one side of the first coil part 130. That is, unlike the rotary generator type power generation module, the magnet is located at the center and the coil rotates.

That is, the second coil part 141 may be attached to the inner circumferential surface of the housing 110, and may be spaced a predetermined distance from the outer circumferential surface of the second magnet 140 inserted in the central axis 120.

Accordingly, a rotating electrical generator module including a second magnet 140 fixed to the center and a second coil section 141 rotating the second magnet 140 may be provided.

As a result, a first output connector 150 for outputting electricity generated by the first coil portion and the first magnet, and a second output connector 150 for outputting electricity generated by the second coil portion and the second magnet 160, and can supply electricity from the respective connectors.

That is, according to an embodiment of the present invention, the rotary generator-type power generation module and the rotary armature type power generation module are arranged side by side and the output connector is led out from each module to supply electricity to a required portion.

2 is a diagram showing an external configuration of a bicycle generator according to an embodiment of the present invention.

2, the bicycle generator according to the embodiment of the present invention includes a first output connector 150 and a second output connector 160, As shown in FIG.

At this time, a connecting hole is provided on the outer surface of each connector, so that electricity can be easily supplied to the bicycle electric appliance.

Hereinafter, the detailed configuration of the rotary-type generator module and the rotary-magnetic-type power generation module provided in the present invention will be described in more detail.

3 is a cross-sectional view of a rotary-type generator module of a bicycle generator according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view of a rotary generator module of a bicycle generator according to an embodiment of the present invention .

Referring to FIG. 3, a rotary-type power generation module is formed by a first coil part 130 inserted in a center shaft and a first magnet 131 rotating outside, and referring to FIG. 4, The rotary electric power generation module may be constituted by the second magnet 140 and the second coil part 141 which rotates outside, and the rotary electric power generation module and the rotary electric power generation module may be constituted by one standardized generator inner As shown in FIG.

Meanwhile, in the rotary-type power generation module, there is a rolling resistance (caulking torque) generated when the magnet rotates. In an embodiment of the present invention, a configuration for reducing the rolling resistance is provided. Will be described in detail.

5 is a side view of a rotary magnet ring of a rotary generator type power module according to an embodiment of the present invention.

5, the first magnet 131 is provided in a cylindrical shape having an upper portion and a lower portion opened. The N-pole magnet and the S-pole magnet are alternately arranged on the side surface of the cylinder. The N-pole magnet and the S- The boundary line between the magnet and the center axis may be formed so that the angle formed by the center axis forms a predetermined angle.

That is, in one embodiment of the present invention, the boundary line between the N pole magnet and the S pole magnet is arranged in an oblique line, thereby reducing the rolling resistance of the generator.

6 is a perspective view for explaining the magnet array angle of the rotary-type generator module according to the embodiment of the present invention.

Referring to FIG. 6, in the rotary-type power generation module, a first coil part 130 is provided on the central axis, and a cylindrical first magnet 131 rotates outside the first coil part 130, The N pole magnet and the S pole magnet of the one magnet 131 are arranged in diagonal lines to reduce the rolling resistance.

As described above, according to the embodiment of the present invention, the bicycle dynamo of a predetermined standard is provided with both the rotary type electric power generation module and the rotary electric type electric power generation module, thereby providing a bicycle electric power generator for producing various types of electric power through one dynamo do.

Further, in an embodiment of the present invention, a generator for a bicycle capable of reducing the rolling resistance can be provided by changing the arrangement angle of the N pole magnet and the S pole magnet in the rotary-type generator module.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limiting the scope of the invention as defined by the appended claims. Various modifications and variations are possible in light of the above teachings. Accordingly, it is to be understood that one embodiment of the present invention should be understood only by the appended claims, and all equivalent or equivalent variations thereof are included in the scope of the present invention.

110: Housing
120: center axis
130: first coil part
131: first magnet
140: Second magnet
141: second coil part

Claims (4)

In a bicycle generator,
A cylindrical housing;
A central axis passing through the center of the housing;
A cylindrical first coil portion inserted into the central axis;
A first magnet attached to an inner circumferential surface of the housing and spaced from a circumferential surface of the first coil section by a predetermined distance;
A cylindrical second magnet inserted into the central axis and provided at one side of the first coil part; And
A second coil portion attached to an inner circumferential surface of the housing and spaced from the outer circumferential surface of the second magnet by a predetermined distance,
A generator for a bicycle. The method according to claim 1,
A first output connector for outputting electricity generated by the first coil portion and the first magnet; And
A second output connector for outputting electricity generated by the second coil portion and the second magnet;
Further comprising: 3. The method of claim 2,
Wherein the first output connector comprises:
A cylindrical shaft having a hole therein and inserted into one side of the central shaft,
The second output connector
Wherein the housing is provided on one side of the outer circumferential surface of the housing. The method according to claim 1,
Wherein the first magnet comprises:
An N pole magnet and an S pole magnet are alternately arranged on a side surface of the cylinder,
Wherein a boundary line between the N pole magnet and the S pole magnet is formed so as to form a predetermined angle with the central axis.
KR1020150150317A 2015-10-28 2015-10-28 Dynamo for bicycle KR20170049218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150150317A KR20170049218A (en) 2015-10-28 2015-10-28 Dynamo for bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150150317A KR20170049218A (en) 2015-10-28 2015-10-28 Dynamo for bicycle

Publications (1)

Publication Number Publication Date
KR20170049218A true KR20170049218A (en) 2017-05-10

Family

ID=58744125

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150150317A KR20170049218A (en) 2015-10-28 2015-10-28 Dynamo for bicycle

Country Status (1)

Country Link
KR (1) KR20170049218A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220121126A (en) 2021-02-24 2022-08-31 남궁기복 A generator
KR20230078429A (en) 2021-11-26 2023-06-02 남궁기복 A generator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220121126A (en) 2021-02-24 2022-08-31 남궁기복 A generator
KR20230078429A (en) 2021-11-26 2023-06-02 남궁기복 A generator

Similar Documents

Publication Publication Date Title
US7902710B2 (en) Electric machine
CN103370852B (en) Electric motor
CN111149280B (en) Rotary electrical device
JP2008017656A (en) Closed electric machine having enclosing air chamber and vent of radius direction
CN101257240A (en) Dynamoelectric and power generation dual-purpose machine
KR20200065468A (en) Magnet generator
CN202004614U (en) Ironless and brushless permanent magnet DC (Direct Current) motor with inner and outer rotors
KR20170049218A (en) Dynamo for bicycle
KR20150002837U (en) Cooling apparatus for electric motors
KR101872262B1 (en) Magnet generator
CN201134733Y (en) Electric driven and electricity generating two-purpose machine
CN107104564A (en) The transverse flux switched reluctance motor of multimode
KR200491127Y1 (en) Wind direction-tracking power generator with electrical connection
KR20130102315A (en) Large capacity generator
CN103440954A (en) Rotating magnetic field generator and method for generating rotating magnetic fields
KR102258366B1 (en) Magnet generator
US20120228967A1 (en) Electric Motor
KR20170124421A (en) Motor engine
US20170331340A1 (en) Electromagnetic Motor With Incomplete Turns
KR200434711Y1 (en) Wind power generator's motor
CN203574522U (en) Two-phase four-wire commutation control and generation direct current motor
CN206977172U (en) A kind of efficient direct current motor
KR20150062000A (en) Cooling apparatus for electric motors
KR101437048B1 (en) Electrical Apparatus Applied with Stator Slot Teeth Pairing Design
KR20150145156A (en) motor and the generator using the same

Legal Events

Date Code Title Description
E601 Decision to refuse application